State Dept. spokeswoman Heather Nauert, President Donald Trump’s pick to be Washington’s next U.N. ambassador, has withdrawn from consideration for the job, after a background check revealed that she failed…

It’s been said that volumetric 3D printing has more speed, flexibility, and geometric versatility than other methods, with a lower cost. In late 2017, researchers at Lawrence Livermore National Laboratory (LLNL) in California teamed…